Katy Perry's hit new track 'Roar', from her upcoming album 'Prism', has nabbed the number 1 spot at UK's music charts.

The Official Charts Company said that the particular single, which replaced Ellie Goulding's 'Burn', sold 179,500 copies over the past week, becoming the UK's third-fastest selling single of the year so far, the BBC reported.
Earlier, in the US, the 28-year-old singer overtook Robin Thicke 'Blurred Line's 12-week run at the US Billboard Hot 100.


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